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CG-Seminar
Commit 81406105 by Kai Westerkamp
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    beamer/KIT-Folien-de.nav
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    beamer/KIT-Folien-de.pdf
    No preview for this file type
    beamer/KIT-Folien-de.tex
    ...@@ -57,6 +57,20 @@ ...@@ -57,6 +57,20 @@
    \end{frame} \end{frame}
    \begin{frame} \begin{frame}
    \frametitle{Einleitung}
    Einleitung//
    Inhalt?
    \end{frame}
    \begin{frame}
    \frametitle{Virtual Point Lights}
    \end{frame}
    \begin{frame}
    \frametitle{Rendergleichung} \frametitle{Rendergleichung}
    $$L(x,o) = L_e(x,o) + \int_{\Omega^+}f_r(i,x,o)L_i(x,i)max(0,i\cdot n)di$$ $$L(x,o) = L_e(x,o) + \int_{\Omega^+}f_r(i,x,o)L_i(x,i)max(0,i\cdot n)di$$
    ...@@ -79,12 +93,6 @@ $$L_i(x,i) = L(y,-i)$$ $$y = ray(x,i)$$ ...@@ -79,12 +93,6 @@ $$L_i(x,i) = L(y,-i)$$ $$y = ray(x,i)$$
    \end{frame} \end{frame}
    \begin{frame} \begin{frame}
    \frametitle{Virtual Point Lights}
    \end{frame}
    \begin{frame}
    \frametitle{Spherical Gaussians} \frametitle{Spherical Gaussians}
    $$G(v;p,\lambda,c) = c\cdot e{^{\lambda(v \cdot p-1)}}$$ $$G(v;p,\lambda,c) = c\cdot e{^{\lambda(v \cdot p-1)}}$$
    ...@@ -172,14 +180,14 @@ $$G(v;p,\lambda,c) = c\cdot e{^{\lambda(v \cdot p-1)}}$$ ...@@ -172,14 +180,14 @@ $$G(v;p,\lambda,c) = c\cdot e{^{\lambda(v \cdot p-1)}}$$
    % Bild Wackeln Fixen % Bild Wackeln Fixen
    \only<1>{ \only<1>{
    Receiver \heading{Receiver}
    $$L(x,o) =\int_{\Omega^T}f_r(-r,x,o)L_i(x,-r)max(0,-r\cdot n_x)dr$$ $$L(x,o) =\int_{\Omega^T}f_r(-r,x,o)L_i(x,-r)max(0,-r\cdot n_x)dr$$
    Reflector \heading{Reflector}
    $$L(y,r) =\int_{\Omega}f_r(i,y,r)G_l(i)max(0,i\cdot n_T)di$$ $$L(y,r) =\int_{\Omega}f_r(i,y,r)G_l(i)max(0,i\cdot n_T)di$$
    } }
    \only<2>{ \only<2>{
    Reflector \heading{Reflector}
    $$L(y,r) =\int_{\Omega}f_r(i,y,r)G_l(i)max(0,i\cdot n_T)di$$ $$L(y,r) =\int_{\Omega}f_r(i,y,r)G_l(i)max(0,i\cdot n_T)di$$
    BRDF als Summe von SG \\ BRDF als Summe von SG \\
    Cos Term ist ``wirklich glatt'' Cos Term ist ``wirklich glatt''
    ...@@ -187,7 +195,7 @@ $$L(y,r) \approx F(r) G(r;i_r,\lambda_r)$$ ...@@ -187,7 +195,7 @@ $$L(y,r) \approx F(r) G(r;i_r,\lambda_r)$$
    } }
    \only<3>{ \only<3>{
    Receiver \heading{Receiver}
    $$L(x,o) =\int_{\Omega^T}f_r(-r,x,o)L_i(x,-r)max(0,-r\cdot n_x)dr$$ $$L(x,o) =\int_{\Omega^T}f_r(-r,x,o)L_i(x,-r)max(0,-r\cdot n_x)dr$$
    BRDF als Summe von SG \\ BRDF als Summe von SG \\
    Cos Term ist ``wirklich glatt''\\ Cos Term ist ``wirklich glatt''\\
    ...@@ -221,66 +229,150 @@ $$\Omega_t = \Omega_{\triangle ABC} = \Omega_{\triangle PBC}-\Omega_{\triangle P ...@@ -221,66 +229,150 @@ $$\Omega_t = \Omega_{\triangle ABC} = \Omega_{\triangle PBC}-\Omega_{\triangle P
    \end{frame} \end{frame}
    \begin{frame}
    \frametitle{Baum}
    \begin{minipage}{.625\linewidth}
    \heading{Struktur}
    \begin{itemize}
    \item Bl{\"a}tter sind die Dreiecke
    \item Knoten haben 2 Kinder
    \end{itemize}
    \heading{Berechnung der Reflexion}
    \begin{itemize}
    \item Mittelpunkt
    \item Durchschnitts Normale
    \item die Durchschnittsfarbe
    \item Dreiecksfl{\"a}che
    \end{itemize}
    \heading{Berechnung des Fehlers}
    \begin{itemize}
    \item Bounding Box
    \item Normalenverteilung
    \item gr{\"o}{\ss}te und kleinste Farbwert
    \end{itemize}
    \end{minipage}
    \hfill
    \parbox{.325\linewidth}{\makebox[.325\textwidth][r]{
    \includegraphics[width=0.45\textwidth]{Bilder/Tree.png}}}
    \end{frame}
    \begin{frame}
    \frametitle{Baum}
    \heading{Erstellen des Baums}
    \begin{itemize}
    \item Start: Wurzel mit allen Dreiecken
    \item Split Kriterium aus Dreiecks Mittelpunkt und Normale
    \item Principal component analysis (PCA)
    \item Split in 2 Kinder entlang der gr{\"o}{\ss}te Varianz
    \end{itemize}
    \begin{minipage}{.625\linewidth}
    \heading{Schnitt bestimmen}
    \begin{itemize}
    \item Starte mit der Wurzel
    \item finde Knoten mit gr{\"o}{\ss}te Fehler
    \item ersetze ihn durch beide Kinder
    \end{itemize}
    Abbruch bei:
    \begin{itemize}
    \item Fehler <1\%
    \item 1000 Knoten
    \end{itemize}
    \end{minipage}
    \hfill
    \parbox{.325\linewidth}{\makebox[.325\textwidth][r]{
    \includegraphics[width=0.45\textwidth]{Bilder/Cut.png}}}
    \end{frame}
    \begin{frame}
    \frametitle{Sichtbarkeit}
    \begin{minipage}{.625\linewidth}
    \heading{Licht und Reflektor}
    \begin{itemize}
    \item Variance Shadow Maps
    \end{itemize}
    \heading{Reflektor Reciever}
    \begin{itemize}
    \item 200 Virtual Point Lights mit Imperfect Shadowmaps
    \item Pro Knoten speichere die 3 n{\"a}hesten VPL
    \item Projiziere Knoten auf die Ebene der VPL
    \item interpolieren (baryzentrische Koordinaten)
    \end{itemize}
    \end{minipage}
    \hfill
    \parbox{.325\linewidth}{\makebox[.325\textwidth][r]{
    \includegraphics[width=0.35\textwidth]{\paper/Reflection.png}}}
    \end{frame}
    \begin{frame}
    \frametitle{Rendern}
    \heading{Setup}
    \begin{itemize}
    \item Erstellen des Baums ab 200 Dreiecken
    \end{itemize}
    \heading{Pro Pixel}
    \begin{itemize}
    \item Direkte Beleuchtung ausrechnen
    \item Schnitt Selektion
    \begin{itemize}
    \item{F{\"u}r Vertecies mit CUDA}
    \item{``interpolieren'' f{\"u}r Fragmente}
    \end{itemize}
    \item Berechnung der Reflektion
    \end{itemize}
    \end{frame}
    \begin{frame}
    \frametitle{Evaluation}
    \begin{center}
    \includegraphics[width=0.5\textwidth]{\paper/Compare.png}
    \end{center}
    \end{frame}
    \begin{frame}
    \frametitle{Evaluation}
    \begin{center}
    \includegraphics[width=0.8\textwidth]{\paper/Glossiness.png}
    \end{center}
    \end{frame}
    \begin{frame}
    \frametitle{Evaluation}
    \begin{center}
    \includegraphics[width=\textwidth]{\paper/Beispiele.png}
    \end{center}
    \end{frame}
    \begin{frame}[plain,c]
    \frametitle{Fragen}
    \begin{center}
    \Huge Fragen?
    \end{center}
    \end{frame}
    \begin{frame}
    \frametitle{Quellen}
    TODO
    \end{frame}
    \end{document} \end{document}
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